Iron soleplate



FIG. 1 is a bottom perspective view of an embodiment of an iron soleplate;

FIG. 2 is a bottom edge view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is a bottom view thereof.

The broken lines depict portions of the iron soleplate that form no part of the claimed design. 

CLAIM The ornamental design for the iron soleplate, as shown and described. 